Commit | Line | Data |
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da177247 GI |
1 | /* |
2 | * board-omap3pandora.c (Pandora Handheld Console) | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * version 2 as published by the Free Software Foundation. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but | |
9 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
11 | * General Public License for more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License | |
14 | * along with this program; if not, write to the Free Software | |
15 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
16 | * 02110-1301 USA | |
17 | * | |
18 | */ | |
19 | ||
20 | #include <linux/init.h> | |
21 | #include <linux/kernel.h> | |
22 | #include <linux/platform_device.h> | |
23 | ||
24 | #include <linux/spi/spi.h> | |
25 | #include <linux/spi/ads7846.h> | |
64f535a8 | 26 | #include <linux/regulator/machine.h> |
da177247 | 27 | #include <linux/i2c/twl4030.h> |
74190450 GI |
28 | #include <linux/leds.h> |
29 | #include <linux/input.h> | |
6135434a | 30 | #include <linux/input/matrix_keypad.h> |
74190450 | 31 | #include <linux/gpio_keys.h> |
da177247 GI |
32 | |
33 | #include <asm/mach-types.h> | |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/map.h> | |
36 | ||
ce491cf8 TL |
37 | #include <plat/board.h> |
38 | #include <plat/common.h> | |
da177247 GI |
39 | #include <mach/gpio.h> |
40 | #include <mach/hardware.h> | |
ce491cf8 TL |
41 | #include <plat/mcspi.h> |
42 | #include <plat/usb.h> | |
ce491cf8 | 43 | #include <plat/mux.h> |
da177247 | 44 | |
ca5742bd | 45 | #include "mux.h" |
2e12bd7e | 46 | #include "sdram-micron-mt46h32m32lf-6.h" |
90c62bf0 TL |
47 | #include "mmc-twl4030.h" |
48 | ||
da177247 GI |
49 | #define OMAP3_PANDORA_TS_GPIO 94 |
50 | ||
74190450 GI |
51 | /* hardware debounce: (value + 1) * 31us */ |
52 | #define GPIO_DEBOUNCE_TIME 127 | |
53 | ||
54 | static struct gpio_led pandora_gpio_leds[] = { | |
55 | { | |
56 | .name = "pandora::sd1", | |
57 | .default_trigger = "mmc0", | |
58 | .gpio = 128, | |
59 | }, { | |
60 | .name = "pandora::sd2", | |
61 | .default_trigger = "mmc1", | |
62 | .gpio = 129, | |
63 | }, { | |
64 | .name = "pandora::bluetooth", | |
65 | .gpio = 158, | |
66 | }, { | |
67 | .name = "pandora::wifi", | |
68 | .gpio = 159, | |
69 | }, | |
70 | }; | |
71 | ||
72 | static struct gpio_led_platform_data pandora_gpio_led_data = { | |
73 | .leds = pandora_gpio_leds, | |
74 | .num_leds = ARRAY_SIZE(pandora_gpio_leds), | |
75 | }; | |
76 | ||
77 | static struct platform_device pandora_leds_gpio = { | |
78 | .name = "leds-gpio", | |
79 | .id = -1, | |
80 | .dev = { | |
81 | .platform_data = &pandora_gpio_led_data, | |
82 | }, | |
83 | }; | |
84 | ||
85 | #define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \ | |
86 | { \ | |
87 | .gpio = gpio_num, \ | |
88 | .type = ev_type, \ | |
89 | .code = ev_code, \ | |
90 | .active_low = act_low, \ | |
91 | .desc = "btn " descr, \ | |
92 | } | |
93 | ||
94 | #define GPIO_BUTTON_LOW(gpio_num, event_code, description) \ | |
95 | GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description) | |
96 | ||
97 | static struct gpio_keys_button pandora_gpio_keys[] = { | |
98 | GPIO_BUTTON_LOW(110, KEY_UP, "up"), | |
99 | GPIO_BUTTON_LOW(103, KEY_DOWN, "down"), | |
100 | GPIO_BUTTON_LOW(96, KEY_LEFT, "left"), | |
101 | GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"), | |
102 | GPIO_BUTTON_LOW(111, BTN_A, "a"), | |
103 | GPIO_BUTTON_LOW(106, BTN_B, "b"), | |
104 | GPIO_BUTTON_LOW(109, BTN_X, "x"), | |
105 | GPIO_BUTTON_LOW(101, BTN_Y, "y"), | |
106 | GPIO_BUTTON_LOW(102, BTN_TL, "l"), | |
107 | GPIO_BUTTON_LOW(97, BTN_TL2, "l2"), | |
108 | GPIO_BUTTON_LOW(105, BTN_TR, "r"), | |
109 | GPIO_BUTTON_LOW(107, BTN_TR2, "r2"), | |
110 | GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"), | |
111 | GPIO_BUTTON_LOW(99, KEY_MENU, "menu"), | |
112 | GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"), | |
113 | GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"), | |
114 | GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"), | |
115 | }; | |
116 | ||
117 | static struct gpio_keys_platform_data pandora_gpio_key_info = { | |
118 | .buttons = pandora_gpio_keys, | |
119 | .nbuttons = ARRAY_SIZE(pandora_gpio_keys), | |
120 | }; | |
121 | ||
122 | static struct platform_device pandora_keys_gpio = { | |
123 | .name = "gpio-keys", | |
124 | .id = -1, | |
125 | .dev = { | |
126 | .platform_data = &pandora_gpio_key_info, | |
127 | }, | |
128 | }; | |
129 | ||
130 | static void __init pandora_keys_gpio_init(void) | |
131 | { | |
132 | /* set debounce time for GPIO banks 4 and 6 */ | |
133 | omap_set_gpio_debounce_time(32 * 3, GPIO_DEBOUNCE_TIME); | |
134 | omap_set_gpio_debounce_time(32 * 5, GPIO_DEBOUNCE_TIME); | |
135 | } | |
136 | ||
4f543332 | 137 | static int board_keymap[] = { |
24de042c | 138 | /* row, col, code */ |
74190450 | 139 | KEY(0, 0, KEY_9), |
24de042c GI |
140 | KEY(0, 1, KEY_8), |
141 | KEY(0, 2, KEY_I), | |
142 | KEY(0, 3, KEY_J), | |
143 | KEY(0, 4, KEY_N), | |
144 | KEY(0, 5, KEY_M), | |
145 | KEY(1, 0, KEY_0), | |
74190450 | 146 | KEY(1, 1, KEY_7), |
24de042c GI |
147 | KEY(1, 2, KEY_U), |
148 | KEY(1, 3, KEY_H), | |
149 | KEY(1, 4, KEY_B), | |
150 | KEY(1, 5, KEY_SPACE), | |
151 | KEY(2, 0, KEY_BACKSPACE), | |
152 | KEY(2, 1, KEY_6), | |
74190450 | 153 | KEY(2, 2, KEY_Y), |
24de042c GI |
154 | KEY(2, 3, KEY_G), |
155 | KEY(2, 4, KEY_V), | |
156 | KEY(2, 5, KEY_FN), | |
157 | KEY(3, 0, KEY_O), | |
158 | KEY(3, 1, KEY_5), | |
159 | KEY(3, 2, KEY_T), | |
74190450 | 160 | KEY(3, 3, KEY_F), |
24de042c GI |
161 | KEY(3, 4, KEY_C), |
162 | KEY(4, 0, KEY_P), | |
163 | KEY(4, 1, KEY_4), | |
164 | KEY(4, 2, KEY_R), | |
165 | KEY(4, 3, KEY_D), | |
74190450 | 166 | KEY(4, 4, KEY_X), |
24de042c GI |
167 | KEY(5, 0, KEY_K), |
168 | KEY(5, 1, KEY_3), | |
169 | KEY(5, 2, KEY_E), | |
170 | KEY(5, 3, KEY_S), | |
171 | KEY(5, 4, KEY_Z), | |
172 | KEY(6, 0, KEY_L), | |
173 | KEY(6, 1, KEY_2), | |
174 | KEY(6, 2, KEY_W), | |
175 | KEY(6, 3, KEY_A), | |
176 | KEY(6, 4, KEY_DOT), | |
177 | KEY(7, 0, KEY_ENTER), | |
178 | KEY(7, 1, KEY_1), | |
179 | KEY(7, 2, KEY_Q), | |
180 | KEY(7, 3, KEY_LEFTSHIFT), | |
181 | KEY(7, 4, KEY_COMMA), | |
74190450 GI |
182 | }; |
183 | ||
4f543332 TL |
184 | static struct matrix_keymap_data board_map_data = { |
185 | .keymap = board_keymap, | |
186 | .keymap_size = ARRAY_SIZE(board_keymap), | |
187 | }; | |
188 | ||
74190450 | 189 | static struct twl4030_keypad_data pandora_kp_data = { |
4f543332 | 190 | .keymap_data = &board_map_data, |
74190450 GI |
191 | .rows = 8, |
192 | .cols = 6, | |
74190450 GI |
193 | .rep = 1, |
194 | }; | |
195 | ||
90c62bf0 TL |
196 | static struct twl4030_hsmmc_info omap3pandora_mmc[] = { |
197 | { | |
198 | .mmc = 1, | |
199 | .wires = 4, | |
200 | .gpio_cd = -EINVAL, | |
201 | .gpio_wp = 126, | |
202 | .ext_clock = 0, | |
203 | }, | |
204 | { | |
205 | .mmc = 2, | |
206 | .wires = 4, | |
207 | .gpio_cd = -EINVAL, | |
208 | .gpio_wp = 127, | |
209 | .ext_clock = 1, | |
0329c377 | 210 | .transceiver = true, |
90c62bf0 | 211 | }, |
07d83cc9 GI |
212 | { |
213 | .mmc = 3, | |
214 | .wires = 4, | |
215 | .gpio_cd = -EINVAL, | |
216 | .gpio_wp = -EINVAL, | |
217 | }, | |
90c62bf0 TL |
218 | {} /* Terminator */ |
219 | }; | |
220 | ||
64f535a8 GI |
221 | static struct regulator_consumer_supply pandora_vmmc1_supply = { |
222 | .supply = "vmmc", | |
223 | }; | |
224 | ||
225 | static struct regulator_consumer_supply pandora_vmmc2_supply = { | |
226 | .supply = "vmmc", | |
227 | }; | |
228 | ||
90c62bf0 TL |
229 | static int omap3pandora_twl_gpio_setup(struct device *dev, |
230 | unsigned gpio, unsigned ngpio) | |
231 | { | |
232 | /* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */ | |
233 | omap3pandora_mmc[0].gpio_cd = gpio + 0; | |
234 | omap3pandora_mmc[1].gpio_cd = gpio + 1; | |
235 | twl4030_mmc_init(omap3pandora_mmc); | |
236 | ||
64f535a8 GI |
237 | /* link regulators to MMC adapters */ |
238 | pandora_vmmc1_supply.dev = omap3pandora_mmc[0].dev; | |
239 | pandora_vmmc2_supply.dev = omap3pandora_mmc[1].dev; | |
240 | ||
90c62bf0 TL |
241 | return 0; |
242 | } | |
243 | ||
da177247 GI |
244 | static struct twl4030_gpio_platform_data omap3pandora_gpio_data = { |
245 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
246 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
247 | .irq_end = TWL4030_GPIO_IRQ_END, | |
90c62bf0 | 248 | .setup = omap3pandora_twl_gpio_setup, |
da177247 GI |
249 | }; |
250 | ||
64f535a8 GI |
251 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ |
252 | static struct regulator_init_data pandora_vmmc1 = { | |
253 | .constraints = { | |
254 | .min_uV = 1850000, | |
255 | .max_uV = 3150000, | |
256 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
257 | | REGULATOR_MODE_STANDBY, | |
258 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
259 | | REGULATOR_CHANGE_MODE | |
260 | | REGULATOR_CHANGE_STATUS, | |
261 | }, | |
262 | .num_consumer_supplies = 1, | |
263 | .consumer_supplies = &pandora_vmmc1_supply, | |
264 | }; | |
265 | ||
266 | /* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */ | |
267 | static struct regulator_init_data pandora_vmmc2 = { | |
268 | .constraints = { | |
269 | .min_uV = 1850000, | |
270 | .max_uV = 3150000, | |
271 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
272 | | REGULATOR_MODE_STANDBY, | |
273 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
274 | | REGULATOR_CHANGE_MODE | |
275 | | REGULATOR_CHANGE_STATUS, | |
276 | }, | |
277 | .num_consumer_supplies = 1, | |
278 | .consumer_supplies = &pandora_vmmc2_supply, | |
279 | }; | |
280 | ||
da177247 GI |
281 | static struct twl4030_usb_data omap3pandora_usb_data = { |
282 | .usb_mode = T2_USB_MODE_ULPI, | |
283 | }; | |
284 | ||
e86fa0b4 PU |
285 | static struct twl4030_codec_audio_data omap3pandora_audio_data = { |
286 | .audio_mclk = 26000000, | |
287 | }; | |
288 | ||
289 | static struct twl4030_codec_data omap3pandora_codec_data = { | |
6df74efb | 290 | .audio_mclk = 26000000, |
e86fa0b4 PU |
291 | .audio = &omap3pandora_audio_data, |
292 | }; | |
293 | ||
da177247 GI |
294 | static struct twl4030_platform_data omap3pandora_twldata = { |
295 | .irq_base = TWL4030_IRQ_BASE, | |
296 | .irq_end = TWL4030_IRQ_END, | |
297 | .gpio = &omap3pandora_gpio_data, | |
298 | .usb = &omap3pandora_usb_data, | |
e86fa0b4 | 299 | .codec = &omap3pandora_codec_data, |
64f535a8 GI |
300 | .vmmc1 = &pandora_vmmc1, |
301 | .vmmc2 = &pandora_vmmc2, | |
74190450 | 302 | .keypad = &pandora_kp_data, |
da177247 GI |
303 | }; |
304 | ||
305 | static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = { | |
306 | { | |
307 | I2C_BOARD_INFO("tps65950", 0x48), | |
308 | .flags = I2C_CLIENT_WAKE, | |
309 | .irq = INT_34XX_SYS_NIRQ, | |
310 | .platform_data = &omap3pandora_twldata, | |
311 | }, | |
312 | }; | |
313 | ||
314 | static int __init omap3pandora_i2c_init(void) | |
315 | { | |
316 | omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo, | |
317 | ARRAY_SIZE(omap3pandora_i2c_boardinfo)); | |
318 | /* i2c2 pins are not connected */ | |
319 | omap_register_i2c_bus(3, 400, NULL, 0); | |
320 | return 0; | |
321 | } | |
322 | ||
da177247 GI |
323 | static void __init omap3pandora_ads7846_init(void) |
324 | { | |
325 | int gpio = OMAP3_PANDORA_TS_GPIO; | |
326 | int ret; | |
327 | ||
328 | ret = gpio_request(gpio, "ads7846_pen_down"); | |
329 | if (ret < 0) { | |
330 | printk(KERN_ERR "Failed to request GPIO %d for " | |
331 | "ads7846 pen down IRQ\n", gpio); | |
332 | return; | |
333 | } | |
334 | ||
335 | gpio_direction_input(gpio); | |
336 | } | |
337 | ||
338 | static int ads7846_get_pendown_state(void) | |
339 | { | |
340 | return !gpio_get_value(OMAP3_PANDORA_TS_GPIO); | |
341 | } | |
342 | ||
343 | static struct ads7846_platform_data ads7846_config = { | |
344 | .x_max = 0x0fff, | |
345 | .y_max = 0x0fff, | |
346 | .x_plate_ohms = 180, | |
347 | .pressure_max = 255, | |
348 | .debounce_max = 10, | |
349 | .debounce_tol = 3, | |
350 | .debounce_rep = 1, | |
351 | .get_pendown_state = ads7846_get_pendown_state, | |
352 | .keep_vref_on = 1, | |
353 | }; | |
354 | ||
355 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | |
356 | .turbo_mode = 0, | |
357 | .single_channel = 1, /* 0: slave, 1: master */ | |
358 | }; | |
359 | ||
360 | static struct spi_board_info omap3pandora_spi_board_info[] __initdata = { | |
361 | { | |
362 | .modalias = "ads7846", | |
363 | .bus_num = 1, | |
364 | .chip_select = 0, | |
365 | .max_speed_hz = 1500000, | |
366 | .controller_data = &ads7846_mcspi_config, | |
367 | .irq = OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO), | |
368 | .platform_data = &ads7846_config, | |
369 | } | |
370 | }; | |
371 | ||
372 | static struct platform_device omap3pandora_lcd_device = { | |
373 | .name = "pandora_lcd", | |
374 | .id = -1, | |
375 | }; | |
376 | ||
377 | static struct omap_lcd_config omap3pandora_lcd_config __initdata = { | |
378 | .ctrl_name = "internal", | |
379 | }; | |
380 | ||
381 | static struct omap_board_config_kernel omap3pandora_config[] __initdata = { | |
da177247 GI |
382 | { OMAP_TAG_LCD, &omap3pandora_lcd_config }, |
383 | }; | |
384 | ||
b3c6df3a PW |
385 | static void __init omap3pandora_init_irq(void) |
386 | { | |
387 | omap_board_config = omap3pandora_config; | |
388 | omap_board_config_size = ARRAY_SIZE(omap3pandora_config); | |
389 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, | |
390 | mt46h32m32lf6_sdrc_params); | |
391 | omap_init_irq(); | |
392 | omap_gpio_init(); | |
393 | } | |
394 | ||
da177247 GI |
395 | static struct platform_device *omap3pandora_devices[] __initdata = { |
396 | &omap3pandora_lcd_device, | |
74190450 GI |
397 | &pandora_leds_gpio, |
398 | &pandora_keys_gpio, | |
da177247 GI |
399 | }; |
400 | ||
58a5491c FB |
401 | static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { |
402 | ||
403 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
404 | .port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
405 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
406 | ||
407 | .phy_reset = true, | |
408 | .reset_gpio_port[0] = 16, | |
409 | .reset_gpio_port[1] = -EINVAL, | |
410 | .reset_gpio_port[2] = -EINVAL | |
411 | }; | |
412 | ||
ca5742bd TL |
413 | #ifdef CONFIG_OMAP_MUX |
414 | static struct omap_board_mux board_mux[] __initdata = { | |
415 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
416 | }; | |
417 | #else | |
418 | #define board_mux NULL | |
419 | #endif | |
420 | ||
da177247 GI |
421 | static void __init omap3pandora_init(void) |
422 | { | |
ca5742bd | 423 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
da177247 GI |
424 | omap3pandora_i2c_init(); |
425 | platform_add_devices(omap3pandora_devices, | |
426 | ARRAY_SIZE(omap3pandora_devices)); | |
da177247 GI |
427 | omap_serial_init(); |
428 | spi_register_board_info(omap3pandora_spi_board_info, | |
429 | ARRAY_SIZE(omap3pandora_spi_board_info)); | |
430 | omap3pandora_ads7846_init(); | |
58a5491c | 431 | usb_ehci_init(&ehci_pdata); |
74190450 | 432 | pandora_keys_gpio_init(); |
18cb7aca | 433 | usb_musb_init(); |
9fb97412 JP |
434 | |
435 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
436 | omap_cfg_reg(H16_34XX_SDRC_CKE0); | |
437 | omap_cfg_reg(H17_34XX_SDRC_CKE1); | |
da177247 GI |
438 | } |
439 | ||
440 | static void __init omap3pandora_map_io(void) | |
441 | { | |
442 | omap2_set_globals_343x(); | |
443 | omap2_map_common_io(); | |
444 | } | |
445 | ||
446 | MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console") | |
447 | .phys_io = 0x48000000, | |
b4224b23 | 448 | .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, |
da177247 GI |
449 | .boot_params = 0x80000100, |
450 | .map_io = omap3pandora_map_io, | |
451 | .init_irq = omap3pandora_init_irq, | |
452 | .init_machine = omap3pandora_init, | |
453 | .timer = &omap_timer, | |
454 | MACHINE_END |